Search results
From Self-sufficiency
- ...] and the [[blood vessel]]s.<ref>{{MeshName|Cardiovascular+System}}</ref> It includes: the [[pulmonary circulation]], a "loop" through the [[lung]]s whe ...ungs. Pulmonary veins return the now oxygen-rich blood to the heart, where it enters the left atrium before flowing through the [[mitral valve]] into the22 KB (3,037 words) - 21:25, 21 September 2010